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Radiant|Lab Grown|IGI

1.64ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG627470429

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG627470429

Diamond specifications and retailer prices

From $1,136 AUD
£627 GBP
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $1,629 AUD at Rare Carat · As of August 4, 2026
View at Rare Carat

About this 1.64ct lab-grown radiant diamond

This 1.64ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627470429 or 627470429. Listed at 2 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627470429
Dimensions8.37 × 6.01 × 3.81 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.37 mm6.01 mm1.64 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627470429
Side View
Table 62.0%Crown 36.2°Girdle: Slightly ThickPavilion 34°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $1,629 AUD|Low: $210 AUD|High: $3,282 AUD|Avg: $1,349 AUD|-6.9%
Rare Carat
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
August 5, 2026
Retailer 8$215 AUD
Retailer 4$428 AUD
Retailer 12$511 AUD
Retailer 14$599 AUD
Retailer 10$656 AUD
Retailer 6$726 AUD
Retailer 13$980 AUD
Retailer 2$1,324 AUD
Retailer 11$1,439 AUD
Retailer 5$1,479 AUD
Retailer 15$1,510 AUD
Rare Carat$1,629 AUD
Retailer 9$1,659 AUD
Retailer 7$2,899 AUD
Retailer 3$3,268 AUD

65 data points across 15 retailers

2 retailers

B+
Cheapest Retailer
-
$1,136 AUD
£627 GBP
Most Expensive
Rare Carat
NGDF-03-91-B · Aug 4
$1,629 AUD
$1,142 USD
View
Price last confirmed 90 days ago
1 more retailer has this diamond
Prices start from $1,136 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.64ct Radiant
$1,136 AUD